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Date: Tue, 30 Jun 2009 06:42:47 -0700 (PDT)
From: "Dag H. Wanvik (JIRA)" <jira@apache.org>
To: derby-dev@db.apache.org
Subject: [jira] Updated: (DERBY-3482) Investigate implementing the file
 matching logic in DatabasePermission using FilePermission
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     [ https://issues.apache.org/jira/browse/DERBY-3482?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dag H. Wanvik updated DERBY-3482:
---------------------------------

    Component/s: Services

> Investigate implementing the file matching logic in DatabasePermission using FilePermission
> -------------------------------------------------------------------------------------------
>
>                 Key: DERBY-3482
>                 URL: https://issues.apache.org/jira/browse/DERBY-3482
>             Project: Derby
>          Issue Type: Sub-task
>          Components: Services
>            Reporter: Daniel John Debrunner
>            Priority: Minor
>
> Since the rules for the database path in DatabasePermission match FilePermission it might make sense to use the existing logic to determine the path instead of re-implementing complex logic.
> I had a quick try that removed most of the code (always good) but I couldn't get the test SystemPrivilegesPermissionTest to run.
> In initLocation after getting 'p' the only line needed was creating a file permission object.
>         String p = url.substring(URL_PROTOCOL_DIRECTORY.length());     
>         filePermission = new FilePermission(p.replace('/', File.separatorChar),  "read");
> Then the implies method reduces to:
>        return filePermission.implies(that.filePermission);
> and similar for hashCode and equals.
> Once the major changes for DERBY-2109 have been committed it would be a good item to investigate.

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